(19)
(11) EP 2 492 776 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
19.07.2017 Bulletin 2017/29

(43) Date of publication A2:
29.08.2012 Bulletin 2012/35

(21) Application number: 11002384.3

(22) Date of filing: 22.03.2011
(51) International Patent Classification (IPC): 
G06F 1/32(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 23.02.2011 US 445975 P
07.03.2011 US 201113042380

(71) Applicant: LG ELECTRONICS INC.
Yeongdeungpo-gu Seoul 150-721 (KR)

(72) Inventors:
  • Woo, Sungho
    Goyang Gyeonggi-Do (KR)
  • Choi, JaeYoung
    Seoul (KR)
  • Jo, Hoon
    Anyang Gyeonggi-Do (KR)
  • Choi, Hyeonchang
    Gyeonggi-Do (KR)
  • Park, Jongseok
    Gyeonggi-Do (KR)
  • Jeong, Okhyun
    Seoul (KR)

(74) Representative: Gunzelmann, Rainer 
Wuesthoff & Wuesthoff Patentanwälte PartG mbB Schweigerstraße 2
81541 München
81541 München (DE)

   


(54) Remote wakeup of application processor of mobile device


(57) A system, circuit, and device for waking up an application processor (AP) of the mobile device are disclosed. The system includes a low power personal area network (PAN) module configured to communicate with an external device for establishing a connection with the external device. The system also includes a controller for the low power PAN module configured to process a connection request signal from the external device and to wake up the AP of the mobile device in response to an AP on request signal from the external device when the connection request signal from the external device is verified as valid, where the controller is supplied with quiescent current from a battery of the mobile device prior to the wake up of the AP.







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